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tcg: Merge opcode arguments into TCGOp

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Rather than have a separate buffer of 10*max_ops entries,
give each opcode 10 entries.  The result is actually a bit
smaller and should have slightly more cache locality.

Reviewed-by: Emilio G. Cota <cota@braap.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2016-12-08 10:52:57 -08:00 • committed by Richard Henderson
parent 3d7196d43b
commit 75e8b9b7aa
4 changed files with 98 additions and 142 deletions
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6
tcg/optimize.c
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@ -576,7 +576,7 @@ void tcg_optimize(TCGContext *s)
TCGArg tmp;
TCGOp * const op = &s->gen_op_buf[oi];
TCGArg * const args = &s->gen_opparam_buf[op->args];
TCGArg * const args = op->args;
TCGOpcode opc = op->opc;
const TCGOpDef *def = &tcg_op_defs[opc];
@ -1184,7 +1184,7 @@ void tcg_optimize(TCGContext *s)
uint64_t b = ((uint64_t)bh << 32) | bl;
TCGArg rl, rh;
TCGOp *op2 = tcg_op_insert_before(s, op, INDEX_op_movi_i32, 2);
TCGArg *args2 = &s->gen_opparam_buf[op2->args];
TCGArg *args2 = op2->args;
if (opc == INDEX_op_add2_i32) {
a += b;
@ -1210,7 +1210,7 @@ void tcg_optimize(TCGContext *s)
uint64_t r = (uint64_t)a * b;
TCGArg rl, rh;
TCGOp *op2 = tcg_op_insert_before(s, op, INDEX_op_movi_i32, 2);
TCGArg *args2 = &s->gen_opparam_buf[op2->args];
TCGArg *args2 = op2->args;
rl = args[0];
rh = args[1];